Microstructural Characterization and Prediction of Mechanical Properties in 50kgf/$\textrm{mm}^2$ Grade Steels according to Manufacturing Process

50kgf/$\textrm{mm}^2$급강의 제조프로세스에 따른 조직특성분석 및 유한요소법을 이용한 기계적 성질예측

The deformation characteristics of 50kgf/$\textrm{mm}^2$ grade steels were studied numerically and experimentally to investigate the effects of the size, shape, distribution and volume fraction of the second phase on mechanical properties. Flow curves of ferrite calculated by Tomota's experimental equation was modified to take into account yield point phenomena of steels. The predicted tensile properties by modified Tomota's method were in good agreements with measured data.